Re: [Xen-users] Physical disks + Software Raid + lvm in domU

To:	"Francesco Polzella" <f.polzella@xxxxxxxx>
Subject:	Re: [Xen-users] Physical disks + Software Raid + lvm in domU
From:	"Alessandro R." <lord2y@xxxxxxxxx>
Date:	Fri, 29 Feb 2008 12:53:15 +0100
Cc:	xen-users@xxxxxxxxxxxxxxxxxxx
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2008/2/27, Francesco Polzella <f.polzella@xxxxxxxx>:
> Hi,

Hi,

>  I'm trying to setup my box as described below:
>
>  - The Dom0 exports two disks as physical devices to the DomU
>  - DomU use the two devices to assemble a software raid device (/dev/md0)
>  - On the /dev/md0  I create a lvm volume group and lvm volumes on it.

I have the same setup. Which distro do you use?

>  Everything seems to work fine if the lvm volumes on the DomU are lightly
>  used. Under heavy load the DomU freeze up immediately.
>  The i/o tests are performed with bonnie++

Can you post the exact command that you run to perform test with bonnie++?
I'm trying bonnie with this command:

#bonnie -html -m vpstest -s 1000 > vpstest-bonnie.html

in HVM environment with gentoo selinux installed and all seem to works fine.
(I have 3 vps running - 2 linux and 1 windows).

When it finishes I will try with bonnie++ and then I will post the result.

Regards

-- 
Alessandro R.

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